The NSA says it stopped tracking cellphone locations without a warrant

Last year the Supreme Court ruled, in a 5-4 decision, that a search warrant is required for law enforcement to perform cellphone tower searches to track someone’s location. The Daily Beast reported on a letter sent by the Office of the Director of National Intelligence (ODNI) to Senator Ron Wyden affirming that ever since that Carpenter decision, the “Intelligence community” has not sought cell-site location data or GPS records without a warrant.

It had been doing that, claiming authority under the Title V of the Foreign Intelligence Surveillance Act (FISA) / Section 215 of the Patriot Act. However Section 215 of the Patriot Act is set to expire next month, and in the letter (PDF), the assistant director writing it never confirms that the Supreme Court decision means they couldn’t, or wouldn’t, do it in the future.

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